public class test11 {
    class Solution {
        public int maxProfit(int[] prices) {
            int res = 0;
            for(int i = 1;i<prices.length;i++){
                if(prices[i]-prices[i-1]>0){
                    res += prices[i]-prices[i-1];
                }
            }
            return res;
        }
    }
}
